12 lines
296 B
C++
12 lines
296 B
C++
// Time-derivative matrix
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fvVectorMatrix ddtUEqn(fvm::ddt(U));
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// Convection-diffusion matrix
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fvVectorMatrix HUEqn
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(
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fvm::div(phi, U)
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- fvm::laplacian(nu, U)
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);
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// Solve the relaxed momentum equation
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solve(relax(ddtUEqn + HUEqn) == -fvc::grad(p));
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